System Technician-Demanded Tests: Descriptions and Error Codes

System Technician-Demanded Tests: Descriptions and Error Codes

Always investigate tests in the order presented in the table below. By clearing error codes associated with the Voice and Control Channel Local Looparound Test, for example, you may also clear errors generated from other tests in the testing sequence.

Table 21. Order of Investigation
Order of Investigation	Short Test Sequence	Long Test Sequence	D/ND*
Digital Terminal Remote Looparound Test (#1201) Note: This Test ABORTS		X	D
Voice and Control Channel Local Looparound Test (#13) Note: This Test ABORTS		X	ND
Digital Line NPE Crosstalk Test (#9) Note: This Test ABORTS		X	ND
Digital Line Electronic Power Feed Test (#11)		X	ND
DIG-LINE Station Lamp Updates Test (#16)	X	X	ND
Station (Digital) Audits Test (#17)	X	X	ND
*D = Destructive; ND = Nondestructive